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Nyctaginaceae Malvaceae Euphorbiaceae Aceraceae Asteraceae Poaceae Acoraceae Ranunculaceae Pteridaceae Hippocastanaceae Scrophulariaceae Lamiaceae Rosaceae Caryophyllaceae Simaroubaceae Polemoniaceae Alismataceae Brassicaceae Liliaceae Amaranthaceae Lythraceae Fabaceae Vitaceae Boraginaceae Primulaceae Saururaceae Apiaceae Apocynaceae Araliaceae Papaveraceae Araceae Asclepiadaceae Annonaceae Aspleniaceae Dryopteridaceae Chenopodiaceae Azollaceae Iridaceae Berberidaceae Elatinaceae Betulaceae Urticaceae Ophioglossaceae Cabombaceae Cyperaceae Butomaceae Callitrichaceae Onagraceae Convolvulaceae Campanulaceae Bignoniaceae Cannabaceae Juglandaceae Rhamnaceae Celastraceae Ulmaceae Gentianaceae Rubiaceae Ceratophyllaceae Portulacaceae Capparaceae Santalaceae Commelinaceae Orchidaceae Cornaceae Fumariaceae Cucurbitaceae Cuscutaceae Solanaceae Dioscoreaceae Ebenaceae Dipsacaceae Cactaceae Hydrocharitaceae Elaeagnaceae Hydrophyllaceae Equisetaceae Polygonaceae Geraniaceae Oleaceae Verbenaceae Cistaceae Pontederiaceae Saxifragaceae Hippuridaceae Clusiaceae Balsaminaceae Isoetaceae Juncaceae Cupressaceae Lemnaceae Linaceae Caprifoliaceae Moraceae Marsileaceae Menispermaceae Loasaceae Menyanthaceae Molluginaceae Monotropaceae Haloragaceae Najadaceae Nelumbonaceae Nymphaeaceae Orobanchaceae Pyrolaceae Oxalidaceae Crassulaceae Phytolaccaceae Pinaceae Plantaginaceae Platanaceae Polygalaceae Salicaceae Potamogetonaceae Pedaliaceae Rutaceae Fagaceae Resedaceae Anacardiaceae Grossulariaceae Acanthaceae Ruppiaceae Selaginellaceae Smilacaceae Sparganiaceae Staphyleaceae Tamaricaceae Thelypteridaceae Thymelaeaceae Tiliaceae Zygophyllaceae Juncaginaceae Typhaceae Lentibulariaceae Violaceae Xyridaceae Agavaceae Zannichelliaceae
Abronia Abutilon Acalypha Acer Achillea Achnatherum Achnella Acorus Acroptilon Actaea Adiantum Aegilops Aesculus Agalinis Agastache Ageratina Agoseris Agrimonia Agropyron Agrostemma Agrostis Ailanthus Alcea Aliciella Alisma Alliaria Allium Alopecurus Althaea Alyssum Amaranthus Ambrosia Amelanchier Ammannia Amorpha Ampelopsis Amphiachyris Amphicarpaea Amsinckia Anagallis Anaphalis Andropogon Androsace Anemone Anemopsis Anethum Antennaria Anthemis Anthriscus Apios Apocynum Aquilegia Arabidopsis Arabis Aralia Arctium Arenaria Argemone Argentina Argyrochosma Arisaema Aristida Armoracia Arnoglossum Arrhenatherum Artemisia Asclepias Asimina Asparagus Asperugo Asplenium Astragalus Athyrium Atriplex Avena Azolla Bacopa Ballota Baptisia Barbarea Bassia Beckmannia Belamcanda Berberis Bergia Berteroa Berula Besseya Betula Bidens Blephilia Boehmeria Boltonia Bothriochloa Botrychium Bouteloua Brachyelytrum Brasenia Brassica Brickellia Bromus Buglossoides Bulbostylis Butomus Calamagrostis Calamovilfa Callirhoe Callitriche Calochortus Caltha Calylophus Calystegia Camelina Campanula Campanulastrum Campsis Cannabis Capsella Caragana Cardamine Cardaria Carduus Carex Carthamus Carya Castilleja Catabrosa Catalpa Caulophyllum Ceanothus Celastrus Celtis Cenchrus Centaurea Centaurium Cephalanthus Cerastium Ceratocephala Ceratophyllum Cercis Cercocarpus Chaenorhinum Chaerophyllum Chaetopappa Chaiturus Chamaecrista Chamaesyce Chamerion Cheilanthes Chelidonium Chenopodium Chloris Chorispora Chrysothamnus Cichorium Cicuta Cinna Circaea Cirsium Claytonia Clematis Cleome Cleomella Clitoria Collinsia Collomia Comandra Commelina Conioselinum Conium Conoclinium Conringia Consolida Convolvulus Conyza Corallorhiza Coreopsis Corispermum Cornus Corydalis Corylus Crataegus Crepis Crotalaria Croton Cryptantha Cryptotaenia Cucurbita Cuphea Cuscuta Cyclachaena Cyclanthera Cycloloma Cymbalaria Cymopterus Cynanchum Cynodon Cynoglossum Cyperus Cypripedium Cystopteris Dactylis Dactylorhiza Dalea Danthonia Dasistoma Datura Daucus Delphinium Descurainia Desmanthus Desmodium Dianthus Diarrhena Dicentra Dichanthelium Digitalis Digitaria Dioscorea Diospyros Diplotaxis Dipsacus Distichlis Dodecatheon Doellingeria Draba Dracocephalum Dryopteris Duchesnea Dulichium Dyssodia Echinacea Echinocereus Echinochloa Echinocystis Echinodorus Echium Eclipta Egeria Elaeagnus Elatine Eleocharis Eleusine Ellisia Elodea Elyhordeum Elymus Endolepis Engelmannia Epilobium Equisetum Eragrostis Erechtites Eremopyrum Ericameria Erigeron Eriochloa Eriodictyon Eriogonum Eriophorum Erodium Eruca Eryngium Erysimum Erythronium Eschscholzia Escobaria Euclidium Euonymus Eupatoriadelphus Eupatorium Euphorbia Eustoma Euthamia Evax Evolvulus Fagopyrum Falcaria Festuca Fimbristylis Foeniculum Fragaria Frangula Fraxinus Fritillaria Froelichia Fuirena Fumaria Gaillardia Galearis Galega Galeopsis Galinsoga Galium Gaura Gentiana Geranium Geum Glandularia Glaux Glechoma Gleditsia Glyceria Glycine Glycyrrhiza Gnaphalium Goodyera Gratiola Grindelia Gutierrezia Gymnocladus Gypsophila Hackelia Halogeton Hedeoma Hedysarum Helenium Helianthemum Helianthus Heliopsis Heliotropium Hemerocallis Heracleum Hesperis Hesperostipa Heteranthera Heterotheca Heuchera Hibiscus Hieracium Hierochloe Hippuris Holosteum Hordeum Houstonia Humulus Hydrophyllum Hymenopappus Hyoscyamus Hypericum Hypoxis Impatiens Ipomoea Ipomopsis Iris Isoetes Iva Juglans Juncus Juniperus Koeleria Krascheninnikovia Krigia Kummerowia Lactuca Lamium Laportea Lappula Lathyrus Lechea Leersia Lemna Leonurus Lepidium Leptochloa Lespedeza Lesquerella Leucanthemum Leucocrinum Leucopoa Leucospora Leymus Liatris Ligustrum Lilium Limosella Linanthus Linaria Lindernia Linum Liparis Lipocarpha Lithophragma Lithospermum Lobelia Lobularia Loeflingia Logfia Lolium Lomatium Lonicera Lotus Ludwigia Lupinus Lycium Lycopus Lygodesmia Lysimachia Lythrum Machaeranthera Maclura Mahonia Maianthemum Malus Malva Marrubium Marsilea Matricaria Matteuccia Medicago Melica Melilotus Menispermum Mentha Mentzelia Menyanthes Mertensia Microsteris Mimosa Mimulus Minuartia Mirabilis Miscanthus Moehringia Mollugo Monarda Monolepis Monotropa Monroa Morus Muhlenbergia Musineon Myosotis Myosoton Myosurus Myriophyllum Najas Nassella Nasturtium Navarretia Neeragrostis Nelumbo Nepeta Nicandra Nothocalais Nothoscordum Nuphar Nuttallanthus Nymphaea Oenothera Oligoneuron Onobrychis Onoclea Onopordum Onosmodium Oonopsis Ophioglossum Opuntia Ornithogalum Orobanche Orthilia Orthocarpus Osmorhiza Ostrya Oxalis Oxytropis Packera Palafoxia Panax Panicum Papaver Parietaria Paronychia Parthenocissus Pascopyrum Paspalum Pastinaca Pectis Pedicularis Pediomelum Pellaea Pennisetum Penstemon Penthorum Perilla Phacelia Phalaris Phemeranthus Phleum Phlox Phragmites Phryma Phyla Physalis Physaria Physocarpus Physostegia Phytolacca Picradeniopsis Pilea Pilularia Pinus Piptatherum Plagiobothrys Plantago Platanthera Platanus Poa Podophyllum Polanisia Polygala Polygonatum Polygonum Polypogon Polytaenia Pomaria Populus Portulaca Potamogeton Potentilla Prenanthes Proboscidea Prosartes Prunella Prunus Psathyrostachys Pseudognaphalium Pseudoroegneria Psoralidium Ptelea Pterospora Puccinellia Pueraria Pulsatilla Purshia Pycnanthemum Pyrola Pyrrhopappus Quercus Ranunculus Raphanus Ratibida Rayjacksonia Redfieldia Reseda Rhamnus Rhus Ribes Robinia Rorippa Rosa Rotala Rubus Rudbeckia Ruellia Rumex Ruppia Sagittaria Salicornia Salix Salsola Salvia Sambucus Sanguinaria Sanguisorba Sanicula Saponaria Sarcobatus Schedonnardus Schedonorus Schizachne Schizachyrium Schoenoplectus Scirpus Scleranthus Scleria Sclerochloa Scolochloa Scorzonera Scrophularia Scutellaria Secale Securigera Sedum Selaginella Senecio Senna Setaria Shepherdia Shinnersoseris Sibara Sicyos Sida Sidalcea Silene Silphium Sinapis Sisymbrium Sisyrinchium Sium Smilax Solanum Solidago Sonchus Sophora Sorghastrum Sorghum Sparganium Spartina Spergularia Spermolepis Sphaeralcea Sphenopholis Spiranthes Spirodela Sporobolus Stachys Stanleya Staphylea Stellaria Stenaria Stenosiphon Stenotus Stephanomeria Strophostyles Stuckenia Suaeda Suckleya Symphoricarpos Symphyotrichum Tamarix Tanacetum Taraxacum Tephrosia Tetraneuris Teucrium Thalictrum Thelesperma Thelypodium Thelypteris Thermopsis Thinopyrum Thlaspi Thymelaea Tilia Torilis Townsendia Toxicodendron Tradescantia Tragia Tragopogon Triadenum Tribulus Trichostema Tridens Trifolium Triglochin Trillium Triodanis Triosteum Triphora Triplasis Tripleurospermum Tripsacum Tripterocalyx Triticum Typha Ulmus Urtica Utricularia Vaccaria Verbascum Verbena Verbesina Vernonia Veronica Veronicastrum Viburnum Vicia Vinca Viola Vitis Vulpia Wolffia Woodsia Xanthium Xyris Yucca Zannichellia Zanthoxylum Zea Zigadenus Zizania Zizia